| NA556 | NE556 | SA556 | |
| Frequency (Max) (MHz) | 0.5 | 0.5 | |
| VCC (Min) (V) | 4.5 | 4.5 | 4.5 |
| VCC (Max) (V) | 16 | 16 | 16 |
| Operating Temperature Range (C) | -40 to 105 | 0 to 70 | -40 to 85 |
| Pin/Package | 14PDIP, 14SOIC | 14SO, 14SOIC, 14PDIP, 14SSOP | 14PDIP |
| Approx. Price (US$) | 0.27 | 1ku | 0.18 | 1ku | 0.22 | 1ku |
| 器件 | 状态 | 温度 | 价格（美元） | 封装 | 引脚 | 封装数量 | 封装载体 | 丝印标记 |
| NE556D | ACTIVE | 0 to 70 | 0.22 | 1ku | SOIC (D) | 14 | 50 | TUBE | |
| NE556DBR | ACTIVE | 0 to 70 | 0.20 | 1ku | SSOP (DB) | 14 | 2000 | LARGE T&R | |
| NE556DBRE4 | ACTIVE | 0 to 70 | 0.20 | 1ku | SSOP (DB) | 14 | 2000 | LARGE T&R | |
| NE556DBRG4 | ACTIVE | 0 to 70 | 0.20 | 1ku | SSOP (DB) | 14 | 2000 | LARGE T&R | |
| NE556DE4 | ACTIVE | 0 to 70 | 0.22 | 1ku | SOIC (D) | 14 | 50 | TUBE | |
| NE556DG4 | ACTIVE | 0 to 70 | 0.22 | 1ku | SOIC (D) | 14 | 50 | TUBE | |
| NE556DR | ACTIVE | 0 to 70 | 0.18 | 1ku | SOIC (D) | 14 | 2500 | LARGE T&R | |
| NE556DRE4 | ACTIVE | 0 to 70 | 0.18 | 1ku | SOIC (D) | 14 | 2500 | LARGE T&R | |
| NE556DRG4 | ACTIVE | 0 to 70 | 0.18 | 1ku | SOIC (D) | 14 | 2500 | LARGE T&R | |
| NE556N | ACTIVE | 0 to 70 | 0.20 | 1ku | PDIP (N) | 14 | 25 | TUBE | |
| NE556NE4 | ACTIVE | 0 to 70 | 0.20 | 1ku | PDIP (N) | 14 | 25 | TUBE | |
| NE556NSR | ACTIVE | 0 to 70 | 0.20 | 1ku | SO (NS) | 14 | 2000 | LARGE T&R | |
| NE556NSRE4 | ACTIVE | 0 to 70 | 0.20 | 1ku | SO (NS) | 14 | 2000 | LARGE T&R | |
| NE556NSRG4 | ACTIVE | 0 to 70 | 0.20 | 1ku | SO (NS) | 14 | 2000 | LARGE T&R |
| 器件 | 环保计划* | 铅/焊球涂层 | MSL 等级/回流焊峰 | 环保信息与无铅 (Pb-free) | DPPM / MTBF / FIT 率 |
| NE556D | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | NE556D | NE556D |
| NE556DBR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | NE556DBR | NE556DBR |
| NE556DBRE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | NE556DBRE4 | NE556DBRE4 |
| NE556DBRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | NE556DBRG4 | NE556DBRG4 |
| NE556DE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | NE556DE4 | NE556DE4 |
| NE556DG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | NE556DG4 | NE556DG4 |
| NE556DR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | NE556DR | NE556DR |
| NE556DRE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | NE556DRE4 | NE556DRE4 |
| NE556DRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | NE556DRG4 | NE556DRG4 |
| NE556N | Pb-Free (RoHS) | CU NIPDAU | N/A for Pkg Type | NE556N | NE556N |
| NE556NE4 | Pb-Free (RoHS) | CU NIPDAU | N/A for Pkg Type | NE556NE4 | NE556NE4 |
| NE556NSR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | NE556NSR | NE556NSR |
| NE556NSRE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | NE556NSRE4 | NE556NSRE4 |
| NE556NSRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | NE556NSRG4 | NE556NSRG4 |
